FIFTEEN-SPINED STICKLEBACK. 



101 



ACAKTHOPTERYGII. 



WITH HARD CHEEKS. 



THE FIFTEEN-SPINED STICKLEBACK. 

 GREAT SEA ADDER, Cornwall. BiSMORE, Orkney. 



Gasterosteus 



,, ,, BLOCK, pt. ii. pi. 53, fig. 1. 



,, ,, Cuv. et VALENC. Hist. Nat. des Poiss. t. iv. p. 509. 



,, ,, Fifteen-spined Stickleback, PENN. Brit. Zool. vol. iii. 



p. 356, pi. 61. 



>, ,, ,, ,, DON. Brit. Fish. pi. 45. 



Spinachia vulgaris, FLEM. Brit. An. p. 219, sp. 165. 

 Gasterosteus spinachia, Fifteen-spined Stickleback, JENYNS, Brit. Vert. p. 351. 



THIS STICKLEBACK, much more elongated in its form than 

 any other of the British species, was first described and figured 

 by Schonevelde, whose name as a naturalist has been men- 

 tioned before. It appears to be even more numerous north- 

 ward than around the British Islands ; and is found on the 

 coast of Norway, as well as in the Baltic. Mr. Low includes 

 it in his Fauna Orcadensis, and says it is found very fre- 

 quently ; and it has its Orkney name, quoted above, from the 

 kind of balance there made use of, called bismores. Mr. 

 Neill and Dr. George Johnston have taken it in the Forth 



